chore: move server package to root

server/middlewares/auth.go

@@ -0,0 +1,49 @@
+package middlewares
+
+import (
+	"github.com/alist-org/alist/v3/internal/db"
+	"github.com/alist-org/alist/v3/internal/model"
+	common2 "github.com/alist-org/alist/v3/server/common"
+	"github.com/gin-gonic/gin"
+)
+
+// Auth is a middleware that checks if the user is logged in.
+// if token is empty, set user to guest
+func Auth(c *gin.Context) {
+	token := c.GetHeader("Authorization")
+	if token == "" {
+		guest, err := db.GetGuest()
+		if err != nil {
+			common2.ErrorResp(c, err, 500, true)
+			c.Abort()
+			return
+		}
+		c.Set("user", guest)
+		c.Next()
+		return
+	}
+	userClaims, err := common2.ParseToken(token)
+	if err != nil {
+		common2.ErrorResp(c, err, 401)
+		c.Abort()
+		return
+	}
+	user, err := db.GetUserByName(userClaims.Username)
+	if err != nil {
+		common2.ErrorResp(c, err, 401)
+		c.Abort()
+		return
+	}
+	c.Set("user", user)
+	c.Next()
+}
+
+func AuthAdmin(c *gin.Context) {
+	user := c.MustGet("user").(*model.User)
+	if !user.IsAdmin() {
+		common2.ErrorStrResp(c, "You are not an admin", 403)
+		c.Abort()
+	} else {
+		c.Next()
+	}
+}